Metropolitan 1, a restored steam train built in 1898, passes through Farringdon Tube station on its journey between Olympia Tube station in the west to Moorgate station in London on Jan. 13, as part of the celebrations for the 150th anniversary of the London Underground Tube system. The first stretch of the world-famous network opened to the public Jan. 10, 1863. Alastair Grant, AP

A newly restored steam engine built in 1898, known as Metropolitan Locomotive No. 1, departs Baker Street Underground station in a recreation of the first London Underground journey. Dan Istitene, Getty Images

People take photographs of the newly restored steam engine after it arrives at the Baker Street Underground station on Jan. 13. Dan Istitene, Getty Images

Restoration of the Metropolitan 1 locomotive was started in 2011. Alastair Grant, AP

Actresses in period costume pose by the first-class carriages pulled by the restored steam engine during a celebration of the anniversary of the London Underground. Matthew Lloyd, Getty Images

Actors in period costumes pose Jan. 13 for photographers next to a steam train which used to carry passengers in the 19th century in central London. Carl Court, AFP/Getty Images